Students solve problems using formulas. In this algebra lesson, students evaluate numbers using substitution. They graph their answers using a TI and discuss the outcome.

In this using familiar formulas practice instructional activity, students sharpen their problem solving skills as they solve 6 story problems.

In Spanish. In this interactive activity you will get a clear understanding of the definition the circumference of a circle and have fun while learning the relationship between equations and figures.

This CoolMath resource provides an introduction to some Precalculus formulas.